GENERAL HISTOLOGY

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EXCRETORY SYSTEM

KIDNEY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
In kidney dialysis, which of the following are true of dialysis fluid?I. it does not contain ureaII. it is taken back to the patient by the renal vein III. it contains an equal or slightly higher glucose concentration than the patient’s blood
A
I and II only
B
I and III only
C
II and III only
D
I, II and III
Explanation: 

Detailed explanation-1: -Dialysis fluid contains: a glucose concentration similar to a normal level in the blood. a concentration of ions similar to that found in normal blood plasma. no urea.

Detailed explanation-2: -Dialysis fluid contains all the constituents of the plasma except urea.

Detailed explanation-3: -The dialysis fluid contains no urea, so all of the urea diffuses from the blood in to the dialysis fluid from the high concentration in the blood to the lower concentration in the dialysis fluid.

Detailed explanation-4: -Dialysate, also called dialysis fluid, dialysis solution or bath, is a solution of pure water, electrolytes and salts, such as bicarbonate and sodium. The purpose of dialysate is to pull toxins from the blood into the dialysate.

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